English verb conjugation
SHOULD FOUR-FLUSH

Regular verb: four-flush - four-flushed - four-flushed

Affirmation

Simple form	V-ing form
I'd four-flush you'd four-flush she'd four-flush we'd four-flush you'd four-flush they'd four-flush	I'd be four-flushing you'd be four-flushing she'd be four-flushing we'd be four-flushing you'd be four-flushing they'd be four-flushing
Perfect	V-ing perfect
I should've four-flushed you should've four-flushed she should've four-flushed we should've four-flushed you should've four-flushed they should've four-flushed	I should've been four-flushing you should've been four-flushing she should've been four-flushing we should've been four-flushing you should've been four-flushing they should've been four-flushing

Negation

Simple form	V-ing form
I shouldn't four-flush you shouldn't four-flush she shouldn't four-flush we shouldn't four-flush you shouldn't four-flush they shouldn't four-flush	I shouldn't be four-flushing you shouldn't be four-flushing she shouldn't be four-flushing we shouldn't be four-flushing you shouldn't be four-flushing they shouldn't be four-flushing
Perfect	V-ing perfect
I shouldn't have four-flushed you shouldn't have four-flushed she shouldn't have four-flushed we shouldn't have four-flushed you shouldn't have four-flushed they shouldn't have four-flushed	I shouldn't have been four-flushing you shouldn't have been four-flushing she shouldn't have been four-flushing we shouldn't have been four-flushing you shouldn't have been four-flushing they shouldn't have been four-flushing

Interrogative form

Simple form	V-ing form
should I four-flush? should you four-flush? should she four-flush? should we four-flush? should you four-flush? should they four-flush?	should I be four-flushing? should you be four-flushing? should she be four-flushing? should we be four-flushing? should you be four-flushing? should they be four-flushing?
Perfect	V-ing perfect
should I have four-flushed? should you have four-flushed? should she have four-flushed? should we have four-flushed? should you have four-flushed? should they have four-flushed?	should I have been four-flushing? should you have been four-flushing? should she have been four-flushing? should we have been four-flushing? should you have been four-flushing? should they have been four-flushing?

Interro-negative form

Simple form	V-ing form
shouldn't I four-flush? shouldn't you four-flush? shouldn't she four-flush? shouldn't we four-flush? shouldn't you four-flush? shouldn't they four-flush?	shouldn't I be four-flushing? shouldn't you be four-flushing? shouldn't she be four-flushing? shouldn't we be four-flushing? shouldn't you be four-flushing? shouldn't they be four-flushing?
Perfect	V-ing perfect
shouldn't I have four-flushed? shouldn't you have four-flushed? shouldn't she have four-flushed? shouldn't we have four-flushed? shouldn't you have four-flushed? shouldn't they have four-flushed?	shouldn't I have been four-flushing? shouldn't you have been four-flushing? shouldn't she have been four-flushing? shouldn't we have been four-flushing? shouldn't you have been four-flushing? shouldn't they have been four-flushing?